mirror of https://github.com/k3s-io/k3s
81 lines
2.1 KiB
Go
81 lines
2.1 KiB
Go
// +build proto
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/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package resource
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import (
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"math/big"
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"speter.net/go/exp/math/dec/inf"
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)
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// QuantityProto is a struct that is equivalent to Quantity, but intended for
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// protobuf marshalling/unmarshalling. It is generated into a serialization
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// that matches Quantity. Do not use in Go structs.
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//
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// +protobuf=true
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type QuantityProto struct {
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// The format of the quantity
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Format Format
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// The scale dimension of the value
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Scale int32
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// Bigint is serialized as a raw bytes array
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Bigint []byte
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}
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// ProtoTime returns the Time as a new ProtoTime value.
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func (q *Quantity) QuantityProto() *QuantityProto {
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if q == nil {
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return &QuantityProto{}
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}
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p := &QuantityProto{
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Format: q.Format,
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}
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if q.Amount != nil {
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p.Scale = int32(q.Amount.Scale())
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p.Bigint = q.Amount.UnscaledBig().Bytes()
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}
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return p
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}
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// Size implements the protobuf marshalling interface.
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func (q *Quantity) Size() (n int) { return q.QuantityProto().Size() }
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// Reset implements the protobuf marshalling interface.
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func (q *Quantity) Unmarshal(data []byte) error {
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p := QuantityProto{}
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if err := p.Unmarshal(data); err != nil {
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return err
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}
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q.Format = p.Format
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b := big.NewInt(0)
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b.SetBytes(p.Bigint)
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q.Amount = inf.NewDecBig(b, inf.Scale(p.Scale))
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return nil
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}
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// Marshal implements the protobuf marshalling interface.
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func (q *Quantity) Marshal() (data []byte, err error) {
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return q.QuantityProto().Marshal()
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}
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// MarshalTo implements the protobuf marshalling interface.
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func (q *Quantity) MarshalTo(data []byte) (int, error) {
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return q.QuantityProto().MarshalTo(data)
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}
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